diff --git a/packages/island/src/theme-default/logic/useLocaleSiteData.ts b/packages/island/src/theme-default/logic/useLocaleSiteData.ts
index 91959be8..3898426f 100644
--- a/packages/island/src/theme-default/logic/useLocaleSiteData.ts
+++ b/packages/island/src/theme-default/logic/useLocaleSiteData.ts
@@ -13,6 +13,7 @@ export function useLocaleSiteData(): DefaultTheme.LocaleConfig {
     return {
       nav: themeConfig.nav,
       sidebar: themeConfig.sidebar,
+      lastUpdatedText: themeConfig.lastUpdatedText,
       prevPageText: themeConfig.prevPageText,
       nextPageText: themeConfig.nextPageText
     } as DefaultTheme.LocaleConfig;